Benzimidazole derivatives, and their production and use

C - Chemistry – Metallurgy – 07 – D

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167/10, 260/305.

C07D 235/06 (2006.01) A01N 43/52 (2006.01) C07D 235/08 (2006.01) C07D 235/10 (2006.01) C07D 405/12 (2006.01)

Patent

CA 1260002

- 1 - Abstract: The invention discloses compounds of the formula: Image wherein R1 is a hydrogen atom, a lower alkyl group or a halo(lower)alkyl group, R2 and R3, which may be the same or different, each represent a hydrogen atom, a halogen atom, a nitro group, a cyano group or an optionally substituted lower alkyl, lower alkenyl, lower alkynyl, cyclo(lower)alkyl, lower alkoxy, lower alkenyloxy, lower alkynyloxy, cyclo(lower)alkoxy, lower alkylthio, lower alkenylthio, lower alkynylthio, cyclo- (lower)alkylthio, di(lower)alkylamino, lower alkylsul- fonyl or lower alkylsulfinyl group, or R2 and R3 may be combined together to form an optionally substituted 5- or 6-membered, saturated or unsaturated ring optionally having not more than two oxygen or sulfur atoms in the ring, R4 is a halogen atom or a lower alkyl group, R5 is a hydrogen atom or a lower alkyl group, X is an oxygen atom, a sulfur atom, a methylene group, a sulfonyl group, a sulfinyl group or an imino group and n is an integer of 1 to 4. These compounds are useful as insecticides and/or acaricides.

498479

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